Home / 1,384,122.90-2,076,512.40-710,308.20

Finding the Fourth Proportional to 1,384,122.90, 2,076,512.40 and 710,308.20

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Solution

The fourth proportional to 1,384,122.90, 2,076,512.40 and 710,308.20 is: 1,065,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,122.90 : 2,076,512.40 = 710,308.20 : x
  2. Step 2: Convert to fraction form
    1,384,122.90/2,076,512.40 = 710,308.20/x
  3. Step 3: Cross multiply
    1,384,122.90x = 2,076,512.40 × 710,308.20
  4. Step 4: Simplify right side
    1,384,122.90x = 1,474,963,785,121.68
  5. Step 5: Solve for x
    x = 1,474,963,785,121.68/1,384,122.90
  6. Step 6: Final answer
    x = 1,065,630.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.